/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 04:57:39,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 04:57:39,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 04:57:39,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 04:57:39,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 04:57:39,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 04:57:39,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 04:57:39,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 04:57:39,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 04:57:39,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 04:57:39,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 04:57:39,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 04:57:39,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 04:57:39,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 04:57:39,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 04:57:39,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 04:57:39,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 04:57:39,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 04:57:39,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 04:57:39,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 04:57:39,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 04:57:39,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 04:57:39,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 04:57:39,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 04:57:39,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 04:57:39,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 04:57:39,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 04:57:39,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 04:57:39,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 04:57:39,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 04:57:39,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 04:57:39,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 04:57:39,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 04:57:39,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 04:57:39,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 04:57:39,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 04:57:39,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 04:57:39,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 04:57:39,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 04:57:39,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 04:57:39,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 04:57:39,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 04:57:39,259 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 04:57:39,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 04:57:39,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 04:57:39,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 04:57:39,261 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 04:57:39,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 04:57:39,262 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 04:57:39,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 04:57:39,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 04:57:39,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 04:57:39,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 04:57:39,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 04:57:39,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 04:57:39,263 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 04:57:39,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 04:57:39,263 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 04:57:39,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 04:57:39,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 04:57:39,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 04:57:39,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 04:57:39,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 04:57:39,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:57:39,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 04:57:39,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 04:57:39,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 04:57:39,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 04:57:39,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 04:57:39,264 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 04:57:39,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 04:57:39,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 04:57:39,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 04:57:39,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 04:57:39,586 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 04:57:39,587 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 04:57:39,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-12-06 04:57:40,560 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 04:57:40,786 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 04:57:40,786 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-12-06 04:57:40,795 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e5e5db79/870d7f175fed40c0b8205f463fc2c984/FLAG5754d6eaa [2022-12-06 04:57:41,127 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e5e5db79/870d7f175fed40c0b8205f463fc2c984 [2022-12-06 04:57:41,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 04:57:41,129 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 04:57:41,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 04:57:41,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 04:57:41,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 04:57:41,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:57:41" (1/1) ... [2022-12-06 04:57:41,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0e803c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:41, skipping insertion in model container [2022-12-06 04:57:41,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:57:41" (1/1) ... [2022-12-06 04:57:41,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 04:57:41,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 04:57:41,366 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-12-06 04:57:41,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:57:41,547 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 04:57:41,560 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-12-06 04:57:41,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:57:41,639 INFO L208 MainTranslator]: Completed translation [2022-12-06 04:57:41,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:41 WrapperNode [2022-12-06 04:57:41,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 04:57:41,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 04:57:41,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 04:57:41,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 04:57:41,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:41" (1/1) ... [2022-12-06 04:57:41,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:41" (1/1) ... [2022-12-06 04:57:41,691 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-12-06 04:57:41,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 04:57:41,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 04:57:41,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 04:57:41,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 04:57:41,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:41" (1/1) ... [2022-12-06 04:57:41,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:41" (1/1) ... [2022-12-06 04:57:41,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:41" (1/1) ... [2022-12-06 04:57:41,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:41" (1/1) ... [2022-12-06 04:57:41,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:41" (1/1) ... [2022-12-06 04:57:41,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:41" (1/1) ... [2022-12-06 04:57:41,710 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:41" (1/1) ... [2022-12-06 04:57:41,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:41" (1/1) ... [2022-12-06 04:57:41,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 04:57:41,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 04:57:41,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 04:57:41,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 04:57:41,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:41" (1/1) ... [2022-12-06 04:57:41,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:57:41,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 04:57:41,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 04:57:41,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 04:57:41,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 04:57:41,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 04:57:41,819 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 04:57:41,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 04:57:41,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 04:57:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-06 04:57:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-06 04:57:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 04:57:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 04:57:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 04:57:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 04:57:41,821 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 04:57:41,947 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 04:57:41,948 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 04:57:42,112 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 04:57:42,116 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 04:57:42,116 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 04:57:42,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:57:42 BoogieIcfgContainer [2022-12-06 04:57:42,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 04:57:42,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 04:57:42,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 04:57:42,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 04:57:42,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:57:41" (1/3) ... [2022-12-06 04:57:42,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12094338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:57:42, skipping insertion in model container [2022-12-06 04:57:42,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:41" (2/3) ... [2022-12-06 04:57:42,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12094338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:57:42, skipping insertion in model container [2022-12-06 04:57:42,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:57:42" (3/3) ... [2022-12-06 04:57:42,122 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2022-12-06 04:57:42,136 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 04:57:42,136 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 04:57:42,137 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 04:57:42,185 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-06 04:57:42,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 65 transitions, 138 flow [2022-12-06 04:57:42,255 INFO L130 PetriNetUnfolder]: 1/64 cut-off events. [2022-12-06 04:57:42,255 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 04:57:42,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 64 events. 1/64 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2022-12-06 04:57:42,258 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 65 transitions, 138 flow [2022-12-06 04:57:42,261 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 52 transitions, 107 flow [2022-12-06 04:57:42,262 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:57:42,280 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 52 transitions, 107 flow [2022-12-06 04:57:42,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 52 transitions, 107 flow [2022-12-06 04:57:42,306 INFO L130 PetriNetUnfolder]: 0/52 cut-off events. [2022-12-06 04:57:42,306 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:57:42,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 52 events. 0/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 17 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-06 04:57:42,308 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 52 transitions, 107 flow [2022-12-06 04:57:42,308 INFO L188 LiptonReduction]: Number of co-enabled transitions 252 [2022-12-06 04:57:44,828 INFO L203 LiptonReduction]: Total number of compositions: 45 [2022-12-06 04:57:44,838 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 04:57:44,842 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@698fddd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 04:57:44,842 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-06 04:57:44,844 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2022-12-06 04:57:44,844 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:57:44,845 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:57:44,845 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-06 04:57:44,845 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 04:57:44,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:57:44,848 INFO L85 PathProgramCache]: Analyzing trace with hash 6882470, now seen corresponding path program 1 times [2022-12-06 04:57:44,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:57:44,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61252932] [2022-12-06 04:57:44,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:57:44,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:57:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 04:57:44,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 04:57:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 04:57:44,955 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 04:57:44,956 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 04:57:44,957 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-06 04:57:44,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-06 04:57:44,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 04:57:44,959 INFO L458 BasicCegarLoop]: Path program histogram: [1] [2022-12-06 04:57:44,962 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 04:57:44,962 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 04:57:44,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:57:44 BasicIcfg [2022-12-06 04:57:44,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 04:57:44,975 INFO L158 Benchmark]: Toolchain (without parser) took 3845.15ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 172.4MB in the beginning and 135.9MB in the end (delta: 36.5MB). Peak memory consumption was 76.2MB. Max. memory is 8.0GB. [2022-12-06 04:57:44,975 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 127.9MB. Free memory is still 106.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 04:57:44,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.27ms. Allocated memory is still 197.1MB. Free memory was 172.4MB in the beginning and 153.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 04:57:44,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.27ms. Allocated memory is still 197.1MB. Free memory was 153.5MB in the beginning and 151.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 04:57:44,976 INFO L158 Benchmark]: Boogie Preprocessor took 20.12ms. Allocated memory is still 197.1MB. Free memory was 151.4MB in the beginning and 150.2MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 04:57:44,976 INFO L158 Benchmark]: RCFGBuilder took 404.54ms. Allocated memory is still 197.1MB. Free memory was 149.8MB in the beginning and 137.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-06 04:57:44,977 INFO L158 Benchmark]: TraceAbstraction took 2855.30ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 136.7MB in the beginning and 135.9MB in the end (delta: 860.9kB). Peak memory consumption was 40.6MB. Max. memory is 8.0GB. [2022-12-06 04:57:44,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 127.9MB. Free memory is still 106.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 510.27ms. Allocated memory is still 197.1MB. Free memory was 172.4MB in the beginning and 153.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.27ms. Allocated memory is still 197.1MB. Free memory was 153.5MB in the beginning and 151.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.12ms. Allocated memory is still 197.1MB. Free memory was 151.4MB in the beginning and 150.2MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 404.54ms. Allocated memory is still 197.1MB. Free memory was 149.8MB in the beginning and 137.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2855.30ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 136.7MB in the beginning and 135.9MB in the end (delta: 860.9kB). Peak memory consumption was 40.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 56 PlacesBefore, 14 PlacesAfterwards, 52 TransitionsBefore, 10 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 27 TrivialYvCompositions, 18 ConcurrentYvCompositions, 0 ChoiceCompositions, 45 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 207, independent: 180, independent conditional: 180, independent unconditional: 0, dependent: 27, dependent conditional: 27, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 207, independent: 180, independent conditional: 0, independent unconditional: 180, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 207, independent: 180, independent conditional: 0, independent unconditional: 180, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 207, independent: 180, independent conditional: 0, independent unconditional: 180, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 176, independent: 159, independent conditional: 0, independent unconditional: 159, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 176, independent: 149, independent conditional: 0, independent unconditional: 149, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 207, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 176, unknown conditional: 0, unknown unconditional: 176] , Statistics on independence cache: Total cache size (in pairs): 281, Positive cache size: 264, Positive conditional cache size: 0, Positive unconditional cache size: 264, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 81 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-06 04:57:44,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...